87713878106 has 16 divisors (see below), whose sum is σ = 132027846720. Its totient is φ = 43704658080.

The previous prime is 87713878103. The next prime is 87713878129. The reversal of 87713878106 is 60187831778.

It is a happy number.

It is a super-2 number, since 2×87713878106² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87713878103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3480491 + ... + 3505601.

It is an arithmetic number, because the mean of its divisors is an integer number (8251740420).

Almost surely, 2^87713878106 is an apocalyptic number.

87713878106 is a deficient number, since it is larger than the sum of its proper divisors (44313968614).

87713878106 is a wasteful number, since it uses less digits than its factorization.

87713878106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31109.

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 87713878106 in words is "eighty-seven billion, seven hundred thirteen million, eight hundred seventy-eight thousand, one hundred six".